Home / 15,512.62-23,282.36-8,122.25

Finding the Fourth Proportional to 15,512.62, 23,282.36 and 8,122.25

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Solution

The fourth proportional to 15,512.62, 23,282.36 and 8,122.25 is: 12,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.62 : 23,282.36 = 8,122.25 : x
  2. Step 2: Convert to fraction form
    15,512.62/23,282.36 = 8,122.25/x
  3. Step 3: Cross multiply
    15,512.62x = 23,282.36 × 8,122.25
  4. Step 4: Simplify right side
    15,512.62x = 189,105,148.51
  5. Step 5: Solve for x
    x = 189,105,148.51/15,512.62
  6. Step 6: Final answer
    x = 12,190.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.